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2 115 051

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IPC

(21) (22)

Application

96113691/06, 1996-06-25

(22)

Actual filing date

1996-06-25

(45)

Published

1998-07-10

(72)

Inventor

Sharifov Makhir Zafar OglyEgorin O.A.Leonov V.A.Isjakaev V.A.Cheraev V.A.Pavlyk V.N.Kuznetsov N.N.Anatolly Fikret Nazim OglyNazarov S.A.Zagretdinov Sh.F.

(73)

Holder

Sharifov Makhir Zafar OglyEgorin Oleg Anatol'Evich

MULTI-PASS COCK Russian patent published in 1998 - IPC

Abstract RU 2115051 C1

FIELD: oil and gas production; distribution of flow and change of its direction in pipe lines. SUBSTANCE: cock includes hollow body with axial and flow-through passages and distributing disk with flow-through passages and sealing members. Disk is connected with control trunnion. Trunnion rod is provided with lever fitted with locking unit. Disconnector is mounted on one of its stages in axial passage. Arranged above subsequent stage of rod are the following components located in series: bearing ring, spring members, hold-down bush and adjusting unit for change of force at the disk; one or several additional disconnectors may be also provided. Sealing members of flow-through passages are made in form of seats or it form of pair "hollow ball - seat from wear-resistant material. Flow-through passages in disk and in cover are located for hydraulic communication and/or partial and/or complete disconnection. EFFECT: increased service life of cock and increased overhaul period. 11 cl, 13 dwg

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RU 2 115 051 C1

Authors

Sharifov Makhir Zafar Ogly

Egorin O.A.

Leonov V.A.

Isjakaev V.A.

Cheraev V.A.

Pavlyk V.N.

Kuznetsov N.N.

Anatolly Fikret Nazim Ogly

Nazarov S.A.

Zagretdinov Sh.F.

Dates

1998-07-10—Published

1996-06-25—Filed